DROP TABLE `phpbb_link`;

DELETE FROM `phpbb_config` WHERE CONVERT(`phpbb_config`.`config_name` USING utf8) = 'enable_cryptlink' LIMIT 1;
DELETE FROM `phpbb_config` WHERE CONVERT(`phpbb_config`.`config_name` USING utf8) = 'auto_redirect_extern' LIMIT 1;
DELETE FROM `phpbb_config` WHERE CONVERT(`phpbb_config`.`config_name` USING utf8) = 'auto_redirect_intern' LIMIT 1;
DELETE FROM `phpbb_config` WHERE CONVERT(`phpbb_config`.`config_name` USING utf8) = 'auto_redirect_time_extern' LIMIT 1;
DELETE FROM `phpbb_config` WHERE CONVERT(`phpbb_config`.`config_name` USING utf8) = 'auto_redirect_time_intern' LIMIT 1;
DELETE FROM `phpbb_config` WHERE CONVERT(`phpbb_config`.`config_name` USING utf8) = 'use_anonymto' LIMIT 1;